Patio screen



FIG. 1 is a front perspective view of the patio screen of the instantinvention;

FIG. 2 is a front view of the instant invention;

FIG. 3 is a right side view of the instant invention, the left sidebeing identical thereto;

FIG. 4 is a bottom view of the instant invention; and,

FIG. 5 is a top view of the instant invention.

The ornamental design for a patio screen, as shown and described.